.game .square {
  background: none;
  width: 50px;
  height: 50px;
  margin: 0;
  border: 1px solid #000;
  box-sizing: border-box;
  text-align: center;
  line-height: 50px;
  font-weight: 600;
}
.game .row{
  display: flex;
}

.game-box{
  display: flex;
}